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Pronunciation:  in'filtreyt

WordNet Dictionary
  1. [v]  pass through an enemy-line; in a military conflict
  2. [v]  pass into or through by filtering or permeating; "the substance infiltrated the material"
  3. [v]  cause (a liquid) to enter by penetrating the interstices
  4. [v]  enter a group or organization in order to spy on the members; "The student organization was infiltrated by a traitor"

INFILTRATE is a 10 letter word that starts with I.


 Synonyms: pass through, penetrate
 See Also: fall in, filter, get together, go across, go through, join, pass, percolate, permeate, sink in



Webster's 1913 Dictionary
  1. \In*fil"trate\, v. i. [imp. & p. p. {Infiltrated}; p.
    pr. & vb. n. {Infiltrating}.] [Pref. in- + filtrate: cf. F,
    s'infiltrer. Cf. {Infilter}.]
    To enter by penetrating the pores or interstices of a
    substance; to filter into or through something.
          The water infiltrates through the porous rock.
  2. \In*fil"trate\, v. t.
    To penetrate gradually; -- sometimes used reflexively. --J.
    S. Mill.
Medical Dictionary
 Definition: Introduce medication, typically local anesthetic, into an area of tissue.
Thesaurus Terms
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